The phrase "morning after" interested me while reading this page:
Example 1.8 RU-486 is claimed to be an effective “morning after” contraceptive pill, but is it really effective?
I got to know that the "morning after" pill is the contraceptive pill to prevent unwanted pregnancy after having sex, but I don't know how it relates to morning. Is "morning after" grammatical? It seems like an odd combination of two random words. I read some articles on the history of the morning after pill, but learned nothing about its etymology or probable morphology.
I searched Google for the definition of "morning after", and only found these:
- a hangover.
- an unpleasant aftermath of imprudent behavior.
- the morning after an evening of drinking, when one has a hangover.
Could someone please let me know why it is also called the morning after pill, and the story behind the euphemism?